EP0262419A3 - Process for removing acids from cataphoretic painting baths - Google Patents
Process for removing acids from cataphoretic painting baths Download PDFInfo
- Publication number
- EP0262419A3 EP0262419A3 EP87112627A EP87112627A EP0262419A3 EP 0262419 A3 EP0262419 A3 EP 0262419A3 EP 87112627 A EP87112627 A EP 87112627A EP 87112627 A EP87112627 A EP 87112627A EP 0262419 A3 EP0262419 A3 EP 0262419A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- ultrafiltrate
- membrane
- ultrafiltration
- removing acids
- coating bath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000002253 acid Substances 0.000 title abstract 2
- 150000007513 acids Chemical class 0.000 title abstract 2
- 238000010422 painting Methods 0.000 title 1
- 125000002091 cationic group Chemical group 0.000 abstract 2
- 238000004070 electrodeposition Methods 0.000 abstract 2
- 239000012528 membrane Substances 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 238000000108 ultra-filtration Methods 0.000 abstract 2
- 239000003011 anion exchange membrane Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000003618 dip coating Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 150000007529 inorganic bases Chemical class 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- -1 of an exchange cell Substances 0.000 abstract 1
- 150000007530 organic bases Chemical class 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
- C25D13/24—Regeneration of process liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Paints Or Removers (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87112627T ATE89339T1 (de) | 1986-09-03 | 1987-08-29 | Verfahren zum entfernen von saeure aus kathodischen elektrotauchlackier-baedern. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3629981 | 1986-09-03 | ||
DE19863629981 DE3629981A1 (de) | 1986-09-03 | 1986-09-03 | Verfahren zum entfernen von saeure aus kathodischen elektrotauchlackier-baedern |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0262419A2 EP0262419A2 (de) | 1988-04-06 |
EP0262419A3 true EP0262419A3 (en) | 1989-05-31 |
EP0262419B1 EP0262419B1 (de) | 1993-05-12 |
Family
ID=6308829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87112627A Expired - Lifetime EP0262419B1 (de) | 1986-09-03 | 1987-08-29 | Verfahren zum Entfernen von Säure aus kathodischen Elektrotauchlackier-Bädern |
Country Status (5)
Country | Link |
---|---|
US (1) | US4775478A (de) |
EP (1) | EP0262419B1 (de) |
JP (1) | JPS6362899A (de) |
AT (1) | ATE89339T1 (de) |
DE (2) | DE3629981A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3642164A1 (de) * | 1986-12-10 | 1988-06-23 | Basf Ag | Verfahren zum entfernen von saeure aus kathodischen elektrotauchlackier-baedern mittels elektrodialyse |
US5047128A (en) * | 1990-01-02 | 1991-09-10 | Shipley Company Inc. | Electrodialysis cell for removal of excess electrolytes formed during electrodeposition of photoresists coatings |
DE4207425A1 (de) * | 1992-03-09 | 1993-09-16 | Eisenmann Kg Maschbau | Verfahren zur lack-overspray-rueckgewinnung bei spritzapplikationen und vorrichtung zur verfahrensdurchfuehrung |
JP2634509B2 (ja) * | 1991-07-31 | 1997-07-30 | 川崎重工業株式会社 | 乗降場の引戸装置 |
JP2634510B2 (ja) * | 1991-07-31 | 1997-07-30 | 川崎重工業株式会社 | 乗降場等の扉開閉駆動装置 |
JP2601902Y2 (ja) * | 1991-07-31 | 1999-12-13 | 川崎重工業株式会社 | 軌道車両用の乗降場の引戸装置 |
JP2556731Y2 (ja) * | 1991-07-31 | 1997-12-08 | 川崎重工業株式会社 | 軌道車両用の乗降場の折戸装置 |
JPH05246330A (ja) * | 1992-03-06 | 1993-09-24 | East Japan Railway Co | 可動ゲート付き安全柵 |
JPH07100437B2 (ja) * | 1993-03-05 | 1995-11-01 | 東日本旅客鉄道株式会社 | 可動ゲート付き安全柵 |
US6001255A (en) * | 1993-07-12 | 1999-12-14 | Eyal; Aharon | Process for the production of water-soluble salts of carboxylic and amino acids |
DE69420278D1 (de) * | 1993-07-12 | 1999-09-30 | Aharon Eyal | Verfahren zur herstellung von wasserlöslichen salzen von carbonsäuren und aminosäuren |
DE19604700C1 (de) * | 1996-02-09 | 1997-05-07 | Geesthacht Gkss Forschung | Verfahren zur Separierung organischer Säuren aus einem Fermentationsmedium |
US6260407B1 (en) * | 1998-04-03 | 2001-07-17 | Symyx Technologies, Inc. | High-temperature characterization of polymers |
CN1093571C (zh) * | 1998-12-01 | 2002-10-30 | 陈渭贤 | 补色法电沉积制造彩色铝合金制品的方法 |
DE60129700T3 (de) * | 2000-06-30 | 2012-03-15 | Asahi Kasei Chemicals Corp. | Verfahren und vorrichtung zur behandlung von abwasser kationischer elektroabscheidungsüberzugs-beschichtungsverfahren |
US8801909B2 (en) * | 2006-01-06 | 2014-08-12 | Nextchem, Llc | Polymetal hydroxychloride processes and compositions: enhanced efficacy antiperspirant salt compositions |
US7846318B2 (en) * | 2006-01-06 | 2010-12-07 | Nextchem, Llc | Polyaluminum chloride and aluminum chlorohydrate, processes and compositions: high-basicity and ultra high-basicity products |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3663398A (en) * | 1970-09-14 | 1972-05-16 | Ppg Industries Inc | Ion exchange of an ultrafiltrate derived from an electrodeposition bath |
US4320009A (en) * | 1977-07-25 | 1982-03-16 | Frito-Lay, Inc. | Processed anthocyanin pigment extracts |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3132094A (en) * | 1958-09-11 | 1964-05-05 | Gulf Research Development Co | Ultrafiltration of electrolyte solutions through ion-exchange memberanes |
US3495465A (en) * | 1968-08-28 | 1970-02-17 | Gen Motors Corp | Phase modulated electric suspension |
US3799854A (en) * | 1970-06-19 | 1974-03-26 | Ppg Industries Inc | Method of electrodepositing cationic compositions |
US3663405A (en) * | 1971-02-25 | 1972-05-16 | Ppg Industries Inc | Ultrafiltration of electrodepositable compositions |
US3663406A (en) * | 1971-03-11 | 1972-05-16 | Ppg Industries Inc | Combined electrodialysis and ultrafiltration of an electrodeposition bath |
JPS5243187B2 (de) * | 1972-10-06 | 1977-10-28 | ||
JPS5373294A (en) * | 1976-12-13 | 1978-06-29 | Kao Corp | Cationic polyurethane emulsion coposition |
ZA796485B (en) * | 1978-12-11 | 1980-11-26 | Shell Res Ltd | Thermosetting resinous binder compositions,their preparation,and use as coating materials |
US4412922A (en) * | 1980-07-02 | 1983-11-01 | Abcor, Inc. | Positive-charged ultrafiltration membrane for the separation of cathodic/electrodeposition-paint compositions |
JPS6010118B2 (ja) * | 1981-11-26 | 1985-03-15 | ハニ−化成株式会社 | 電着塗装装置 |
GB2111081A (en) * | 1981-12-09 | 1983-06-29 | Aeg Elotherm Gmbh | Electrochemical machining |
US4664808A (en) * | 1982-08-13 | 1987-05-12 | General Electric Company | Method for continuous separation of dissolved materials |
CH657144A5 (de) * | 1983-05-04 | 1986-08-15 | Ciba Geigy Ag | Verfahren zur umwandlung schwerloeslicher salze anionischer farbstoffe und optischer aufheller in leichter loesliche salze mittels kationenaustausch. |
US4581111A (en) * | 1984-03-28 | 1986-04-08 | Ppg Industries, Inc. | Treatment of ultrafiltrate by electrodialysis |
EP0166015B1 (de) * | 1984-06-26 | 1988-12-28 | Tosoh Corporation | Fluorkohlenstoff-Anionenaustauscher und deren Herstellungsverfahren |
-
1986
- 1986-09-03 DE DE19863629981 patent/DE3629981A1/de not_active Withdrawn
-
1987
- 1987-08-28 US US07/090,445 patent/US4775478A/en not_active Expired - Lifetime
- 1987-08-29 EP EP87112627A patent/EP0262419B1/de not_active Expired - Lifetime
- 1987-08-29 DE DE8787112627T patent/DE3785814D1/de not_active Expired - Lifetime
- 1987-08-29 AT AT87112627T patent/ATE89339T1/de not_active IP Right Cessation
- 1987-08-31 JP JP62215535A patent/JPS6362899A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3663398A (en) * | 1970-09-14 | 1972-05-16 | Ppg Industries Inc | Ion exchange of an ultrafiltrate derived from an electrodeposition bath |
US4320009A (en) * | 1977-07-25 | 1982-03-16 | Frito-Lay, Inc. | Processed anthocyanin pigment extracts |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN, Band 7, Nr. 191 (C-182)[1336], 20. August 1983; & JP-A-58 91 199 (HONNY KASEI K.K.) 31-05-1983 * |
Also Published As
Publication number | Publication date |
---|---|
JPS6362899A (ja) | 1988-03-19 |
DE3785814D1 (de) | 1993-06-17 |
DE3629981A1 (de) | 1988-03-17 |
EP0262419A2 (de) | 1988-04-06 |
ATE89339T1 (de) | 1993-05-15 |
US4775478A (en) | 1988-10-04 |
EP0262419B1 (de) | 1993-05-12 |
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